We are justified in neglecting this small motion when considering the much greater motioncharacteristic of most mechanisms.
当我们考虑多数机械装置的运动特性时我们有理由忽视这个小小的运动。
2
Use two freedom vibration theory, base on impact has instant motioncharacteristic, use puncher example, study the isolating vibration design of impact base.
应用两自由度振动理论，根据冲击具有瞬态运动的特点，以冲床为例，研究冲击基础的隔振设计。
3
The method to acquire the construction and motioncharacteristic of the target whit high accuracy based on withdrawing the corner features of the target has been studied.